. "Pode\u0161vov\u00E1, Tereza" . "Effect of selected factors on tyramine production of Lactococcus lactis subsp. lactis"@en . . "Kr\u00E1\u010Dmar, Stanislav" . . "Pollakov\u00E1, Eva" . "5"^^ . "Bu\u0148ka, Franti\u0161ek" . "P(GAP108/10/0200)" . "28110" . "Vliv vybran\u00FDch faktor\u016F prost\u0159ed\u00ED na produkci tyraminu u Lactococcus lactis subsp. lactis"@cs . "970-80-970477-8-8" . . "Effect of selected factors on tyramine production of Lactococcus lactis subsp. lactis"@en . . . . . . "Bu\u0148kov\u00E1, Leona" . "Vliv vybran\u00FDch faktor\u016F prost\u0159ed\u00ED na produkci tyraminu u Lactococcus lactis subsp. lactis" . . "The aim of this study was to investigate some environmental conditions (particularly aero/anaerobiosis, sodium chloride concentration (0?2% w/w), and amount of lactose (0?1% w/w)) on the activity of tyrosine decarboxylase enzymes of selected six technological important Lactococcus lactis strains. The levels of parameters tested were chosen according to real situation in fermented dairy products technology (especially cheese-making). Tyramine was determined by the ion-exchange chromatography with post-column ninhydrine derivatization and spectrophotometric detection. Tyrosine decarboxylation occurred during the active growth phase. Under the model conditions used, oxygen availability had influence on tyramine production, anaerobiosis seemed to favour the enzyme activity because all L. lactis strains produced higher tyramine amount."@en . . "biogenic amine; lactococcus; sodium chloride; lactose"@en . "Zborn\u00EDk p\u0159\u00EDsp\u011Bvk\u016F z 25. kongresu \u010Ceskoslovenskej spolo\u010Dnosti mikrobiologickej" . "Biogenn\u00ED aminy jsou n\u00EDzkomolekul\u00E1rn\u00ED bazick\u00E9 slou\u010Deniny odvozen\u00E9 od aminokyselin, kter\u00E9 vykazuj\u00ED biologickou aktivitu. C\u00EDlem t\u00E9to studie bylo za modelov\u00FDch podm\u00EDnek sledovat efekt n\u011Bkolika faktor\u016F vn\u011Bj\u0161\u00EDho prost\u0159ed\u00ED (koncentrace lakt\u00F3zy, NaCl a aero/anaerobn\u00EDho prost\u0159ed\u00ED) na r\u016Fst bakteri\u00ED a produkci tyraminu u 3 kmen\u016F L. lactis subsp. lactis biovar diacetylactis. Proto\u017Ee se tyto bakterie vyu\u017E\u00EDvaj\u00ED p\u0159i v\u00FDrob\u011B p\u0159\u00EDrodn\u00EDch s\u00FDr\u016F, byly \u00FArovn\u011B faktor\u016F, v\u010Detn\u011B kultiva\u010Dn\u00ED teploty 10?1 \u00B0C, voleny tak, aby se p\u0159ibli\u017Eovaly podm\u00EDnk\u00E1m, kter\u00E9 mohou nastat b\u011Bhem technologick\u00E9ho procesu v\u00FDroby s\u00FDr\u016F. Produkce biogenn\u00EDho aminu byla sledov\u00E1na iontov\u011B-v\u00FDm\u011Bnnou chromatografi\u00ED v m\u00E9diu po odstran\u011Bn\u00ED bun\u011Bk a po filtraci. U v\u0161ech testovan\u00FDch kmen\u016F byla dekarboxylace tyrozinu nejv\u00EDce ovlivn\u011Bna koncentrac\u00ED NaCl, kdy nejvy\u0161\u0161\u00ED produkce tyraminu byla zji\u0161t\u011Bna b\u011Bhem kultivace s nejvy\u0161\u0161\u00ED (2% w/v) aplikovanou koncentrac\u00ED soli. Dva z testovan\u00FDch kmen\u016F dokonce produkovaly tyramin pouze za t\u011Bchto podm\u00EDnek. U zb\u00FDvaj\u00EDc\u00EDho kmene L. lactis b"@cs . "RIV/70883521:28110/10:63510069!RIV11-GA0-28110___" . . "\u010Ceskoslovensk\u00E1 spole\u010Dnost mikrobiologick\u00E1" . "Star\u00E1 Lesn\u00E1" . . "Biogenn\u00ED aminy jsou n\u00EDzkomolekul\u00E1rn\u00ED bazick\u00E9 slou\u010Deniny odvozen\u00E9 od aminokyselin, kter\u00E9 vykazuj\u00ED biologickou aktivitu. C\u00EDlem t\u00E9to studie bylo za modelov\u00FDch podm\u00EDnek sledovat efekt n\u011Bkolika faktor\u016F vn\u011Bj\u0161\u00EDho prost\u0159ed\u00ED (koncentrace lakt\u00F3zy, NaCl a aero/anaerobn\u00EDho prost\u0159ed\u00ED) na r\u016Fst bakteri\u00ED a produkci tyraminu u 3 kmen\u016F L. lactis subsp. lactis biovar diacetylactis. Proto\u017Ee se tyto bakterie vyu\u017E\u00EDvaj\u00ED p\u0159i v\u00FDrob\u011B p\u0159\u00EDrodn\u00EDch s\u00FDr\u016F, byly \u00FArovn\u011B faktor\u016F, v\u010Detn\u011B kultiva\u010Dn\u00ED teploty 10?1 \u00B0C, voleny tak, aby se p\u0159ibli\u017Eovaly podm\u00EDnk\u00E1m, kter\u00E9 mohou nastat b\u011Bhem technologick\u00E9ho procesu v\u00FDroby s\u00FDr\u016F. Produkce biogenn\u00EDho aminu byla sledov\u00E1na iontov\u011B-v\u00FDm\u011Bnnou chromatografi\u00ED v m\u00E9diu po odstran\u011Bn\u00ED bun\u011Bk a po filtraci. U v\u0161ech testovan\u00FDch kmen\u016F byla dekarboxylace tyrozinu nejv\u00EDce ovlivn\u011Bna koncentrac\u00ED NaCl, kdy nejvy\u0161\u0161\u00ED produkce tyraminu byla zji\u0161t\u011Bna b\u011Bhem kultivace s nejvy\u0161\u0161\u00ED (2% w/v) aplikovanou koncentrac\u00ED soli. Dva z testovan\u00FDch kmen\u016F dokonce produkovaly tyramin pouze za t\u011Bchto podm\u00EDnek. U zb\u00FDvaj\u00EDc\u00EDho kmene L. lactis b" . "Bratislava" . . "Vliv vybran\u00FDch faktor\u016F prost\u0159ed\u00ED na produkci tyraminu u Lactococcus lactis subsp. lactis"@cs . "1"^^ . "RIV/70883521:28110/10:63510069" . "2010-01-01+01:00"^^ . "[18B9E8790906]" . . "Vliv vybran\u00FDch faktor\u016F prost\u0159ed\u00ED na produkci tyraminu u Lactococcus lactis subsp. lactis" . . "3"^^ . "296463" . . . .